diff --git a/package.json b/package.json
index a8830c8..d244000 100644
--- a/package.json
+++ b/package.json
@@ -12,8 +12,11 @@
   "publishConfig": {
     "access": "public"
   },
-  "main": "./lib/index.js",
   "types": "./lib/index.d.ts",
+  "exports": {
+    ".": "./lib/index.js",
+    "./tsconfig.json": "./lib/tsconfig.polyfill.json"
+  },
   "scripts": {
     "build": "npm run clean && tsc && cp ./src/*.json ./lib",
     "clean": "rm -rf ./lib",